2 hours
Test Updated:
A-1 Antitrypsin
A1AT
AAT
Alpha 1 Antitrypsin
Antitrypsin, Alpha-1
ALPHA-1 ANTITRYPSIN, Serum
ALPHA-1 ANTITRYPSIN
A1-ANTITRP
CRP
C-REACTIVE PROTEIN SCREEN
Looking to order a test?
We’ve provided helpful links to make ordering easy.
Find a RequisitionAll specimens should be accompanied by a requisition.
Submitting SpecimensLearn about how to properly label and where to ship specimens.
Order Kits and SuppliesMLabs provides all the supplies necessary for the collection of specimens.
Test FAQVisit our provider FAQ and learn about common questions to ordering tests.
Test Overview
Immunoturbidimetric
To detect hereditary decreases in the production of alpha-1 antitrypsin. Decreased or nearly absent levels of A1AT can genetically predispose patients to chronic obstructive lung disease and liver disease (cirrhosis in children).
113 - 263 mg/dL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in SST tube.
Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 7 days or freeze for up to 3 months. Avoid repeated freezing and thawing of specimen.